1# Expect script for LD section checks tests
2#   Copyright (C) 1999-2020 Free Software Foundation, Inc.
3#
4# This file is part of the GNU Binutils.
5#
6# This program is free software; you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation; either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program; if not, write to the Free Software
18# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19# MA 02110-1301, USA.
20#
21# Written by Nick Clifton (nickc@cygnus.com)
22
23proc section_check {} {
24    global ld_flags
25    global as
26    global ld
27    global srcdir
28    global subdir
29
30    # The usage of .lcomm in asm.s is incompatible with ia64 and ppc xcoff.
31    if { [istarget ia64-*-*] || [is_xcoff_format] } {
32	return
33    }
34    set test "check sections 1"
35
36    set ldflags "--check-sections -e foo"
37
38    if { ![ld_assemble $as $srcdir/$subdir/asm.s tmpdir/asm.o]} {
39	unresolved $test
40	return
41    }
42
43    if ![ld_link $ld tmpdir/asm.x "$ldflags tmpdir/asm.o"] {
44	fail $test
45    } else {
46	pass $test
47    }
48
49    set test "check sections 2"
50
51    # Change the linker flags so that our "buggy" linker
52    # script is used.
53    set ldflags "--check-sections -T $srcdir/$subdir/script -e foo"
54
55    # Perform the equivalent of invoking ld_link
56    # except that we need to massage the output further.
57
58    set exec_output [run_host_cmd "$ld" "-o tmpdir/asm.x $ldflags tmpdir/asm.o"]
59    set exec_output [prune_warnings $exec_output]
60
61    # Make sure that we got some output from the linker
62    if [string match "" $exec_output] then {
63	fail $test
64    }
65
66    # Now remove our expected error message
67    regsub -all ".*: section .data .* overlaps section .text .*" $exec_output "" exec_output
68
69    # And check to see if anything else, (unexpected) was left
70    if [string match "" $exec_output] then {
71	pass $test
72    } else {
73	verbose -log "Unexpected linker message(s): $exec_output"
74	fail $test
75    }
76}
77
78proc overflow_check {} {
79    # Test only on some 32-bit targets that are often tested
80    if { ![istarget i?86-*-*]
81	 && ![istarget powerpc-*-*]
82	 && ![istarget arm*-*-*] } {
83	return
84    }
85    if ![is_elf_format] {
86	return
87    }
88
89    run_dump_test "over"
90    run_dump_test "over2"
91}
92
93section_check
94overflow_check
95